Pollinating insects have become less active due to air pollution

According to experts, nitrates have a destructive effect on monoterpene molecules. Insect pollinators react to these volatile organic substances. If monoterpenes are absent, it interferes with pollination.

The effect of nitrates was particularly strong at night, as sunlight during the day breaks down these molecules. As the researchers reported, the activity of nocturnal pollinators decreased across the planet.